# qw vs CertLok

The clearest difference is update cadence: CertLok at every 3 weeks against qw's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

qw ships an update every 20 months, CertLok every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | qw | CertLok |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/certlok/id6751294459/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 124 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rainer Hagemann](https://appshunter.io/developer/980943714) | [Risk Data Analytics, Inc.](https://appshunter.io/developer/1805567986) |

## What reviewers say

### qw

[App page](https://appshunter.io/ios/app/qw-data-certchecker/id1133131608)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CertLok

[App page](https://appshunter.io/ios/app/certlok/id6751294459)

This free digital credential wallet allows skilled workers to store, manage, and share their certifications and work history. It automatically notifies users of expiring credentials and helps build a comprehensive work log. Employers can easily verify qualifications.

**Highlights:** Store and manage credentials, Share certifications with employers, Verify credentials, Store job documents, Automatic expiry notifications, Build and share work history, Log book functionality

**In-app purchases:** none


## Frequently asked questions

### Is qw free?

qw is free to download, with no in-app purchases.

### Is CertLok free?

CertLok is free to download, with no in-app purchases.

### Do qw or CertLok have ads?

Neither qw nor CertLok shows ads.

### Which is updated more often, qw or CertLok?

qw ships an update every 20 months, and CertLok every 3 weeks. Most recently, qw was updated on November 2, 2026 and CertLok on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*